Add the following methods to the LinkedQueue class, and create a test driver for

Question

Add the following methods to the LinkedQueue class, and create a test driver for j each to show that they work correctly. In order to practice your linked list coding skills, code each of these methods by accessing the internal variables of the LinkedQueue, not by calling the previously defined public methods of the class. a. String toString() creates and returns a string that correctly represents the current queue. Such a method could prove useful for testing and debugging the class and for testing and debugging applications that use the class. Assume each queued element already provides its own reasonable toString method.

Explanation / Answer

Here is toString method.

It is assumed that item already has its own toString method. If you need something else please share rest of the code.

@Override public String toString() { StringBuilder s = new StringBuilder(); for (Item item : this) s.append(item + " "); return s.toString(); }

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